/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package edu.ues21.tcs.ecommerce2011.mvc.controller;

import edu.ues21.tcs.ecommerce2011.mvc.model.DetallePedido;
import edu.ues21.tcs.ecommerce2011.mvc.model.Usuario;
import edu.ues21.tcs.ecommerce2011.mvc.service.CarritoService;


import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 *
 * @author fmantaras
 *
 */
public class AgregarArtController extends HttpServlet {

    /**
     *
     */
    private static final long serialVersionUID = -8654616632048890661L;
    private ApplicationContext ctx;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        HttpSession session = request.getSession();
        ctx = new ClassPathXmlApplicationContext("BeanLocations.xml");
        CarritoService cs =(CarritoService) ctx.getBean("carritoService");

        try {
            Integer id = Integer.parseInt(request.getParameter("idArticulo").trim());
            Integer cantidad = Integer.parseInt(request.getParameter("cantidad").trim());
            Integer dni = ((Usuario) session.getAttribute("usuario")).getDni();

            cs.agregarCarrito(id, cantidad, dni);

            List<DetallePedido> detallepedidos = cs.getCarrito(dni);

            request.setAttribute("agregarArticulo", detallepedidos);
            request.getRequestDispatcher("view/CarritoView.jsp").forward(request, response);
        } catch (NumberFormatException e) {
        }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
